Excerpt from Models for Planning Capacity Expansion in Local Access Telecommunication Networks
Over the last three decades, communication network planning and routing has been a fertile problem domain for developing and applying optimization models. Two main driving forces underlie these modeling efforts: (i) the enormous investments in communication facilities (estimated at around $60 billion in 1980 in Bell System transmission facilities alone (at&t Bell Laboratories and over $100 billion in total for the U. Offer significant opportunities for cost savings with even modest improvements in the design and operation of communication networks, and (ii) rapid technological and regulatory changes provide novel design alternatives and operating environments. This paper reviews and develops alternative modeling approaches for addressing contemporary design problems that arise in one major component of a telecommunication system: the local access network. As a starting point, the paper first sets a backdrop for our discussion by reviewing relevant technological developments as well.
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Excerpt from Models for Planning Capacity Expansion in Local Access Telecommunication Networks
The rapid progress of communications technology has created new opportunities for modeling and optimizing the design of local telecommunication systems. The complexity, diversity, and continuous evolution of these networks pose several modeling challenges. In this paper, we present an overview of the local telephone network environment, and discuss possible modeling approaches. In particular, we (i) discuss the engineering characteristics of the network, and introduce terminology that is commonly used in the communications industry and literature; (ii) describe a general local access network planning model and framework, and motivate different possible modeling assumptions; (iii) summarize various existing planning models in the context of this framework; and, (iv) describe some new modeling approaches.
The discussion in this paper is directed both to researchers interested in modeling local telecommunications systems and to planners interested in using such models. Our goal is to present relevant aspects of the engineering environment for the local access telecommunication network, and to discuss the relationship of the engineering issues to the formulation of economic decision models. We indicate how changes in the underlying switching and transmission technology affect the modeling of the local telephone network. We also review various planning issues and discuss possible optimization approaches for treating them.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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